Description

Trimethyloxonium Hexachloroantimonate is a powerful and highly reactive methylating agent used in advanced organic synthesis. Its primary value lies in its ability to efficiently transfer a methyl group to a wide range of nucleophiles under mild conditions, making it indispensable for creating complex molecular architectures. This reagent is particularly critical for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors who require high-purity, reliable methylation for sensitive intermediates and final products.

Application

• Pharmaceutical Intermediate Synthesis: Key reagent for the methylation of nitrogen, oxygen, and sulfur atoms in the production of active pharmaceutical ingredients (APIs).
• Agrochemical Manufacturing: Used in the synthesis of methylated herbicides, fungicides, and plant growth regulators.
• Advanced Material Production: Employed in the surface modification and functionalization of polymers and specialty chemicals.
• Catalyst and Ligand Preparation: Facilitates the synthesis of methylated organometallic complexes and catalysts.
• Laboratory-scale Organic Research: A preferred reagent for demanding methylation reactions in academic and R&D settings due to its high reactivity.
• Fine Chemical Synthesis: Used in the production of methylated flavors, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	Trimethyloxonium Hexachloroantimonate
CAS No.	54075-76-2
Molecular Formula	C₃H₉O·SbCl₆ or [(CH₃)₃O][SbCl₆]
Molecular Weight	435.38 g/mol
Synonyms	Trimethyloxonium hexachloroantimonate(V); Trimethyloxonium antimony hexachloride; Oxonium, trimethyl-, hexachloroantimonate(1-); Trimethyloxonium hexachlorostibate; Me₃O⁺ SbCl₆⁻; Trimethyloxonium salt of hexachloroantimonic acid
EINECS	Contact for details

Quality Control

Our Trimethyloxonium Hexachloroantimonate is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high chemical purity. Each lot is analyzed to confirm identity, potency, and impurity profiles. Certificates of Analysis (COA) documenting comprehensive testing results are provided with every shipment. We adhere to cGMP principles where applicable to support our customers in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and must be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 98.0 %
Water Content (KF)	≤ 1.0 %
Solubility	Soluble in polar organic solvents (e.g., dichloromethane, nitromethane)

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.